Chandrika Sankaranarayanan. (1992). Vayalar Ramavarma: Rithubhethangalkku varnam pakarnna kavi.
Chicago Edition CitationChandrika Sankaranarayanan. Vayalar Ramavarma: Rithubhethangalkku Varnam Pakarnna Kavi. Kottayam, DCB, 1992.
ציטוט MLAChandrika Sankaranarayanan. Vayalar Ramavarma: Rithubhethangalkku Varnam Pakarnna Kavi. 1992.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.